Magick::Blob Class Reference

Inheritance diagram for Magick::Blob:

Public Types
enum	Allocator { MallocAllocator , NewAllocator }

Public Member Functions
	Blob (const void *data_, const size_t length_)
	Blob (const Blob &blob_)
Blob &	operator= (const Blob &blob_)
void	base64 (const std::string base64_)
std::string	base64 (void) const
const void *	data (void) const
size_t	length (void) const
void	update (const void *data_, size_t length_)
void	updateNoCopy (void *data_, size_t length_, Allocator allocator_=NewAllocator)

Private Attributes
BlobRef *	_blobRef

Detailed Description

Definition at line 22 of file Blob.h.

Member Enumeration Documentation

Allocator

enum Magick::Blob::Allocator

Definition at line 26 of file Blob.h.

    {
      MallocAllocator,
      NewAllocator
    };

Constructor & Destructor Documentation

Blob() [1/3]

Magick::Blob::Blob

(

void

)

Definition at line 21 of file Blob.cpp.

  : _blobRef(new Magick::BlobRef(0,0))
{
}

Blob() [2/3]

Magick::Blob::Blob	(	const void *	data_,
		const size_t	length_ )

Definition at line 26 of file Blob.cpp.

  : _blobRef(new Magick::BlobRef(data_, length_))
{
}

Blob() [3/3]

Magick::Blob::Blob

(

const Blob &

blob_

)

Definition at line 31 of file Blob.cpp.

  : _blobRef(blob_._blobRef)
{
  // Increase reference count
  _blobRef->increase();
}

~Blob()

Magick::Blob::~Blob ( )

virtual

Definition at line 38 of file Blob.cpp.

{
  try
  {
    if (_blobRef->decrease() == 0)
      delete _blobRef;
  }
  catch(Magick::Exception&)
  {
  }
 
  _blobRef=(Magick::BlobRef *) NULL;
}

Member Function Documentation

base64() [1/2]

void Magick::Blob::base64

(

const std::string

base64_

)

Definition at line 65 of file Blob.cpp.

{
  size_t
    length;
 
  unsigned char
    *decoded;
 
  decoded=Base64Decode(base64_.c_str(),&length);
 
  if(decoded)
    updateNoCopy(static_cast<void*>(decoded),length,
      Magick::Blob::MallocAllocator);
}

base64() [2/2]

std::string Magick::Blob::base64

(

void

)

const

Definition at line 80 of file Blob.cpp.

{
  size_t
    encoded_length;
 
  char
    *encoded;
 
  std::string
    result;
 
  encoded_length=0;
  encoded=Base64Encode(static_cast<const unsigned char*>(data()),length(),
    &encoded_length);
 
  if(encoded)
    {
      result=std::string(encoded,encoded_length);
      encoded=(char *) RelinquishMagickMemory(encoded);
      return result;
    }
 
  return(std::string());
}

data()

const void * Magick::Blob::data

(

void

)

const

Definition at line 105 of file Blob.cpp.

{
  return(_blobRef->data);
}

length()

size_t Magick::Blob::length

(

void

)

const

Definition at line 110 of file Blob.cpp.

{
  return(_blobRef->length);
}

operator=()

Magick::Blob & Magick::Blob::operator=

(

const Blob &

blob_

)

Definition at line 52 of file Blob.cpp.

{
  if (this != &blob_)
    {
      blob_._blobRef->increase();
      if (_blobRef->decrease() == 0)
        delete _blobRef;
      
      _blobRef=blob_._blobRef;
    }
  return(*this);
}

update()

void Magick::Blob::update	(	const void *	data_,
		size_t	length_ )

Definition at line 115 of file Blob.cpp.

{
  if (_blobRef->decrease() == 0)
    delete _blobRef;
 
  _blobRef=new Magick::BlobRef(data_,length_);
}

updateNoCopy()

void Magick::Blob::updateNoCopy	(	void *	data_,
		size_t	length_,
		Allocator	allocator_ = NewAllocator )

Definition at line 123 of file Blob.cpp.

{
  if (_blobRef->decrease() == 0)
    delete _blobRef;
 
  _blobRef=new Magick::BlobRef((const void*) NULL,0);
  _blobRef->data=data_;
  _blobRef->length=length_;
  _blobRef->allocator=allocator_;
}

Field Documentation

_blobRef

BlobRef* Magick::Blob::_blobRef

private

Definition at line 77 of file Blob.h.

---

The documentation for this class was generated from the following files:

• /builddir/build/BUILD/ImageMagick-7.1.2.29-build/ImageMagick-7.1.2-29/Magick++/lib/Magick++/Blob.h
• /builddir/build/BUILD/ImageMagick-7.1.2.29-build/ImageMagick-7.1.2-29/Magick++/lib/Blob.cpp